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Primary and Secondary functions - Functions of the stem | 11th Botany : Chapter 3 : Vegetative Morphology of Angiosperm

Chapter: 11th Botany : Chapter 3 : Vegetative Morphology of Angiosperm

Functions of the stem

Provides support and bears leaves, flowers and fruits.

Functions of the stem

 

Primary functions


1. Provides support and bears leaves, flowers and fruits.

2. It transports water and mineral nutrients to the other parts from the root.

3. It transports food prepared by leaves to other parts of the plant body.

 

Secondary functions

 

            Food storage- Example: Solanum tuberosum, Colocasia and Zingiber officinale

 

            Perennation / reproduction – Example: Zingiber officinale, Curcuma longa

 

            Water storage – Example: Opuntia

 

            Bouyancy – Example: Neptunia

 

            Photosynthesis – Example: Opuntia, Ruscus, Casuarina, Euphorbia, Caralluma.

 

            Protection – Example: Citrus, Duranta, Bougainvillea, Acacia, Fluggea, Carissa.

 

            Support   -   Example:   Passiflora, Bougainvillea, Vitis, Cissus quadrangularis.

 

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11th Botany : Chapter 3 : Vegetative Morphology of Angiosperm : Functions of the stem | Primary and Secondary functions

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11th Botany : Chapter 3 : Vegetative Morphology of Angiosperm


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